Flexible sensitive K-anonymization on transactions |
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Authors: | Tsai Yu-Chuan Wang Shyue-Liang Ting I-Hsien Hong Tzung-Pei |
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Affiliation: | 1.Library and Information Center, National University of Kaohsiung, Kaohsiung, 81148, Taiwan ;2.Department of Information Management, National University of Kaohsiung, Kaohsiung, 81148, Taiwan ;3.Computer Science and Information Engineering, National University of Kaohsiung, Kaohsiung, 81148, Taiwan ; |
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Abstract: | In recent years, privacy breaches have been a great concern on the published data. Only removing one’s personal identification information is not sufficient to protect individual’s privacy. Privacy preservation technology for published data is devoted to preventing re-identification and retaining the useful information in published data. In this work, we propose a novel algorithm to deal with sensitive and quasi-identifier items, respectively, in transactional data. The proposed algorithm maintains at least the same or a stronger privacy level for transactional data with 1/k. In numerical experiments, our proposed algorithm shows better running time and better data utility. |
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